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A047085 T(2n,n), array T as in A047080. 3
1, 1, 3, 9, 27, 83, 259, 817, 2599, 8323, 26797, 86659, 281287, 915907, 2990383, 9786369, 32092959, 105435607, 346950321, 1143342603, 3772698725, 12463525229, 41218894577, 136451431723, 452116980643, 1499282161375, 4975631425581, 16524213199923, 54913514061867 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..28.

CROSSREFS

Cf. A047080, A047086, A047087, A047088.

Sequence in context: A099786 A237272 A192909 * A171155 A131428 A099787

Adjacent sequences:  A047082 A047083 A047084 * A047086 A047087 A047088

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Data corrected by Sean A. Irvine, May 11 2021

STATUS

approved

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Last modified May 29 02:00 EDT 2022. Contains 354122 sequences. (Running on oeis4.)